Healcryo 0.5 HP Ozone Chiller
#1 in Up to 1/2 HPFull review
A low-cost way to keep a small one-person tub cold with ozone included.
Amazon $496.95$496.95
The Healcryo 0.5 HP Ozone Chiller is the better cold plunge chiller overall, rated 3.4 to 2.6. The Healcryo 0.5 HP Ozone Chiller leads on value. The Healcryo 0.5 HP Ozone Chiller costs $1,003.04 less ($496.95 vs $1,499.99).
Penguin Outdoor 1/2 HP HE Chiller
#15 in Up to 1/2 HPFull review
A rugged outdoor chiller for a DIY plunge build.
Penguin Chillers $1,499.99$1,499.99
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Healcryo 0.5 HP Ozone Chiller for value ($994 per HP ($496.95, 1/2 HP) vs $3,000 per HP ($1,499.99, 1/2 HP)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/2 HP cold plunge chiller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Healcryo 0.5 HP Ozone Chiller | Penguin Outdoor 1/2 HP HE Chiller |
|---|---|---|
| Overall rating | 3.4/5 | 2.6/5 |
| Value 30% | 72 $994 per HP ($496.95, 1/2 HP) | 28 $3,000 per HP ($1,499.99, 1/2 HP) |
| Coldest 15% | 88 down to 38 °F | 50 lowest temperature not published (neutral score used) |
| Sanitation 10% | 85 filter and ozone | 50 filter and sanitizer not stated (neutral score used) |
| Heating 10% | 50 heating not stated (neutral score used) | 50 heating not stated (neutral score used) |
| Noise 10% | 50 noise rating not published (neutral score used) | 50 noise rating not published (neutral score used) |
| Warranty 25% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Healcryo 0.5 HP Ozone Chiller | Penguin Outdoor 1/2 HP HE Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1/2 HP | 1/2 HP |
| Cooling capacity | 4,000 Btu/h | 5,750 Btu/h |
| Lowest temperature | 38 °F | - |
| Largest tub | 52 gal | - |
| Water and build | ||
| Filter | Yes | - |
| Sanitizer | Ozone | - |
| App or wifi | No | - |
| Voltage | 120 V | - |
| Warranty | 1 year | - |